CN203720811U - Novel infrared touch screen and touch display device - Google Patents
Novel infrared touch screen and touch display device Download PDFInfo
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- CN203720811U CN203720811U CN201320803535.3U CN201320803535U CN203720811U CN 203720811 U CN203720811 U CN 203720811U CN 201320803535 U CN201320803535 U CN 201320803535U CN 203720811 U CN203720811 U CN 203720811U
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- 238000006073 displacement reaction Methods 0.000 claims description 24
- 238000004804 winding Methods 0.000 claims description 24
- 150000003071 polychlorinated biphenyls Chemical class 0.000 claims description 5
- 238000003466 welding Methods 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract 2
- ZLGYJAIAVPVCNF-UHFFFAOYSA-N 1,2,4-trichloro-5-(3,5-dichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(C=2C(=CC(Cl)=C(Cl)C=2)Cl)=C1 ZLGYJAIAVPVCNF-UHFFFAOYSA-N 0.000 description 42
- 238000010276 construction Methods 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000003490 calendering Methods 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000005341 toughened glass Substances 0.000 description 3
- 239000002390 adhesive tape Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002360 explosive Substances 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
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Abstract
The utility model relates to a novel infrared touch screen, which comprises a touch substrate, an annular flexible circuit board, a plurality of infrared transmitters, a plurality of infrared receivers, light filtering strips and a control circuit board, wherein the flexible circuit board can extend from the upper surface of the touch substrate to the lower surface, and is electrically connected with the control circuit board, the infrared transmitters are parallelly arranged along the flexible circuit board, the infrared receivers and the infrared transmitters are respectively arranged at the two opposite sides of a touch surface, the infrared receivers are electrically connected with the flexible circuit board, the light filtering strips are covered on the infrared receivers and the infrared transmitters, infrared light rays emitted by the infrared transmitters can penetrate through the light filtering strip, and enter the infrared receivers, and the control circuit board is used for obtaining the positions of touch points on an infrared touch net according to the condition of the infrared receivers receiving the infrared light rays. The novel infrared touch screen has the advantages that the welding process which generates a plurality of welding points is avoided, the manufacturing process is simple, and the cost is reduced. The utility model also provides a touch display device.
Description
Technical field
The utility model relates to a kind of touch screen, particularly relates to a kind of infrared touch screen and touch control display apparatus.
Background technology
Infrared touch screen is to utilize Infrared matrix densely covered in X, Y-direction to detect the also touch-control of consumer positioning.Infrared touch screen is installed above a circuit board housing display, circuit board on screen four limits, arrange infrared transmitting tube and infrared receiving tube, the one by one corresponding Infrared matrix anyhow intersecting that forms.User is when Touch Screen, and finger will block two Infrared anyhow through this position, thereby can judge touch point in the position of screen.
At present, infrared touch screen is generally two-layer pcb board, and touch base plate and LED lamp and additional accessory form.Wherein, LED lamp is located on the pcb board of upper strata.Mode by welding is electrically connected to upper strata pcb board with lower floor control circuit board.In welding process, because solder joint is more, complicated operation in manufacturing process, causes human cost higher.
Utility model content
Based on this, be necessary to provide a kind of simple in structure, the convenient new infrared touch screen of making.
A new infrared touch screen, comprising:
Transparent touch base plate, described touch base plate comprises upper surface and opposing lower surface parallel with described upper surface, described upper surface is touch surface;
The flexible PCB of annular, is fixed at the surrounding of described touch base plate, and described flexible PCB may extend into described lower surface from described touch base plate upper surface;
Be positioned at a plurality of infrared transmitters of the top of described upper surface, described a plurality of infrared transmitters are arranged side by side along described flexible PCB, and are electrically connected to described flexible PCB;
Be positioned at a plurality of infrared remote receivers of the top of described upper surface, described a plurality of infrared remote receiver and described a plurality of infrared transmitters are located at respectively the relative both sides of described touch surface, described a plurality of infrared remote receiver is electrically connected to described flexible PCB, and described infrared remote receiver receives the Infrared that described infrared transmitter sends;
Optical filtering bar, cover on a plurality of described infrared transmitters and described a plurality of infrared remote receiver, the Infrared that described infrared transmitter sends can see through described optical filtering bar, described Infrared forms infrared touch-control net above the upper surface of described touch base plate, and described Infrared can enter described infrared remote receiver through optical filtering bar;
The control circuit board of being located at described lower surface below, described control circuit board is electrically connected to described flexible PCB, and described control circuit board receives the situation of Infrared, the position that obtains the online touch point of described infrared touch-control according to described infrared remote receiver.
Therein in an embodiment, on described optical filtering bar, offer elongated slot, described elongated slot is along the Axis Extension of described optical filtering bar, and described infrared transmitter is contained in described elongated slot, a sidewall of described elongated slot is fixedly connected with described touch base plate, and another sidewall is fixedly connected with described flexible PCB.
Therein in an embodiment, described flexible PCB comprises body and linking arm, described body is thin-and-long, and be located at the surrounding of the touch surface of described touch base plate, described linking arm is located at a side of described body, the free end of described linking arm extends to the lower surface of touch base plate, and the free end of described linking arm is electrically connected to described control circuit board.
In an embodiment, described flexible PCB is four therein, and described flexible PCB is thin-and-long, four described flexible PCB head and the tail electrical connections successively.
In an embodiment, also comprise a plurality of flexible circuit connectors and a plurality of FPC winding displacement therein, the two ends of described flexible PCB are equipped with described flexible circuit connector, and the two ends of described FPC winding displacement are electrically connected to two adjacent flexible circuit connectors respectively.
In an embodiment, also comprise a plurality of contact pin connected devices therein, the two ends of described flexible PCB are equipped with described contact pin connector, and two adjacent described contact pin connectors are connected, and two adjacent described flexible PCBs are electrically connected to.
In an embodiment, described control circuit board is annular therein, and the edge of described control circuit board flushes with the edge of described touch base plate.
In an embodiment, described control circuit board is four therein, and described control circuit board is thin-and-long, four described control circuit board head and the tail electrical connections successively.
In an embodiment, the plane at described flexible PCB place is mutually vertical with the plane at described touch base plate place therein, and described flexible PCB is fixedly connected with the lateral wall of described touch base plate.
A kind of touch control display apparatus is also provided.
A touch control display apparatus, comprising:
Above-mentioned infrared touch screen; And
Be located at the below of described touch base plate and the display screen arranging with described touch screen stack.
On above-mentioned new infrared touch screen, by flexible PCB, infrared transmitter, infrared remote receiver are electrically connected to control circuit board.Compared to traditional pcb board that utilizes, be electrically connected to, and the mode that upper strata pcb board is electrically connected to lower floor control circuit board of the mode by welding.Above-mentioned new infrared touch screen can avoid producing the more welding process of solder joint, and therefore, the manufacturing process of above-mentioned new infrared touch screen is simple, reduces costs.
And, in above-mentioned new infrared touch screen, by flexible circuit connector or contact pin connector, be electrically connected to the dismountable realization of control circuit board, avoid flexible PCB and control circuit board welding.There are quality problems or in manufacturing process, produce when damaging in certain element in flexible PCB, infrared remote receiver, infrared transmitter or control circuit board, by dismounting flexible PCB, can only need change subelement, without the Replacement all welding together is fallen, therefore can save cost of manufacture.
Again, utilize flexible PCB to connect infrared transmitter and infrared remote receiver, can reduce the volume that element takies.The frame of above-mentioned new infrared touch screen can reach 5～6mm, is conducive to new infrared touch screen towards narrow frame, thin trend development.
Accompanying drawing explanation
Fig. 1 is the explosive view of the new infrared touch screen of an embodiment;
Fig. 2 is the assembly drawing of the new infrared touch screen shown in Fig. 1;
Fig. 3 is the sectional view of the new infrared touch screen shown in Fig. 1;
Fig. 4 is the partial enlarged drawing of the I part of the new infrared touch screen shown in Fig. 2;
Fig. 5 is the assembly drawing of the new infrared touch screen subelement shown in Fig. 1;
Fig. 6 is the partial enlarged drawing of the II part of the new infrared touch screen shown in Fig. 5;
Fig. 7 is the partial enlarged drawing of another embodiment of the II part shown in Fig. 6;
Fig. 8 is the partial enlarged drawing of another embodiment of the II part shown in Fig. 6;
Fig. 9 is the upward view of the new infrared touch screen shown in Fig. 1;
Figure 10 is the partial enlarged drawing of the III part of the new infrared touch screen shown in Fig. 9;
Figure 11 is the partial enlarged drawing of another embodiment of the III part shown in Fig. 9;
Figure 12 is the partial enlarged drawing of another embodiment of the III part shown in Fig. 9;
Figure 13 is the upward view of the new infrared touch screen of another embodiment;
Figure 14 is the sectional view of the new infrared touch screen shown in Figure 13;
Figure 15 is the cut-open view of the new infrared touch screen of another embodiment;
Figure 16 is the stereographic map of the new infrared touch screen of another embodiment;
Figure 17 is the partial enlarged drawing of the IV part of the new infrared touch screen shown in Figure 16;
Figure 18 is the partial enlarged drawing of another embodiment of the IV part shown in Figure 16;
Figure 19 is the partial enlarged drawing of another embodiment of the IV part shown in Figure 16.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, the utility model is described more fully.In accompanying drawing, provided better embodiment of the present utility model.But the utility model can be realized in many different forms, be not limited to embodiment described herein.On the contrary, providing the object of these embodiments is make the disclosure of the present utility model understand more comprehensively thorough.
It should be noted that, when element is called as " being fixed on " another element, can directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may have centering elements simultaneously.Term as used herein " vertical ", " level ", " left side ", " right side " and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology of using are herein identical with the implication that belongs to the common understanding of those skilled in the art of the present utility model with scientific terminology.The term using in instructions of the present utility model herein, just in order to describe the object of concrete embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise one or more relevant Listed Items arbitrarily with all combinations.
Refer to Fig. 1 to Fig. 7, the new infrared touch screen 100 of present embodiment, comprises touch base plate 110, flexible PCB 120, flexible circuit connector 130, a plurality of FPC winding displacement 140, a plurality of infrared transmitter 150 and a plurality of infrared remote receiver 160, optical filtering bar 170 and control circuit board 180.
Touch base plate 110 is tempered glass.Tempered glass is with pure flat glass, to carry out chemical tempering to process, its Ying Du≤7H, Qiao Qu Du≤1 ‰.Tempered glass meets the quality supervision and test quarantine 2005-08-30 of general bureau of People's Republic of China (PRC) issue, 2006-03-01 implementation content.Touch base plate 110 comprise upper surface 111 and with the parallel relative lower surface 112 of upper surface 111, upper surface 111 is touch surface.Touch base plate 110 is provided with the datum line 113 of silk-screen near the surrounding of a side of infrared transmitter 150.
Refer to Fig. 3 and Fig. 4, the flexible PCB 120 of annular is fixed at the surrounding of touch base plate 110.Flexible PCB 120 can extend to lower surface 112 from touch base plate 110 upper surfaces 111.Flexible PCB 120 is provided with double faced adhesive tape near a side of touch base plate 110, and flexible PCB 120 is fixed on touch base plate 110 by double faced adhesive tape.Specifically in the present embodiment, flexible PCB 120 comprises body 121 and linking arm 123.Body 121 is thin-and-long.Body 121 is located at the surrounding of the touch surface of touch base plate 110.Linking arm 123 is located at a side of body 121.The free end of linking arm 123 extends to the lower surface 112 of touch base plate 110.The free end of linking arm 123 is electrically connected to control circuit board 180.Refer to Fig. 5 and Fig. 6, flexible PCB 120 is four.Flexible PCB 120 is thin-and-long.Four flexible PCB 120 head and the tail electrical connections successively, are spliced into annular.One side of body 121 aligns with the datum line 113 on touch base plate 110.
Particularly, flexible PCB 120 is annular monolithic construction, without using other elements to be electrically connected to, splices.
Be appreciated that in other embodiments, please refer to Fig. 7, the two ends of body 121 are equipped with flexible circuit connector 130.FPC(Flexible Printed Circuit) two ends of winding displacement are electrically connected to two adjacent flexible circuit connectors 130 respectively.FPC winding displacement 140 is strip, and two ends are designed to pluggable needle-like, can directly be connected with flexible circuit connector 130 or be welded on the two ends of body 121.The centre of FPC winding displacement 140 is circuit.The base material of FPC winding displacement 140 is calendering copper, and FPC winding displacement 140 has resistance to complications, the feature that pliability is higher.
Please refer to Fig. 8, be appreciated that a plurality of flexible circuit connectors 130 and a plurality of FPC winding displacement 140 can omit.The two ends of body 121 are equipped with contact pin connector 190, and two adjacent contact pin connectors 190 are connected, and two adjacent flexible PCBs 120 are electrically connected to.
A plurality of infrared transmitters 150 are positioned at the top of upper surface 111.A plurality of infrared transmitters 150 are arranged side by side along flexible PCB 120, and are electrically connected to flexible PCB 120.A plurality of infrared transmitters 150 can send Infrared.The flexible PCB 120 of thin-and-long is along the marginal distribution of touch base plate 110, and infrared transmitter 150 is also along two adjacent marginal distribution of touch base plate 110.Specifically in the present embodiment, infrared transmitter 150 can be LED fluorescent tube.LED fluorescent tube can be launched Infrared.
A plurality of infrared remote receivers 160 are positioned at the top of upper surface 111.A plurality of infrared remote receivers 160 and a plurality of infrared transmitters 150 are located at respectively the relative both sides of touch surface.A plurality of infrared remote receivers 160 are electrically connected to flexible PCB 120.Infrared remote receiver 160 receives the Infrared that infrared transmitter 150 sends.Infrared emittance is launched Infrared to relative with infrared remote receiver 160 respectively in the both sides of touch base plate 110, and infrared remote receiver 160 receives the Infrared of launching.Infrared forms infrared touch-control net in a side of touch base plate 110.When touching touch base plate 110, when forming touch point, infrared remote receiver 160 and infrared transmitter 150 can obtain the reception condition of Infrared.
Specifically in the present embodiment, infrared remote receiver 160 is infrared reception LED fluorescent tube.
Optical filtering bar 170 covers on a plurality of infrared transmitters 150 and a plurality of infrared remote receiver 160.The Infrared that infrared transmitter 150 sends can see through optical filtering bar 170, and Infrared after filtration striation 170 is received by infrared remote receiver 160.On optical filtering bar 170, offer elongated slot 171.Elongated slot 171 is along the Axis Extension of optical filtering bar 170, and infrared transmitter 150 is contained in elongated slot 171.A sidewall of elongated slot 171 is fixedly connected with touch base plate 110, and another sidewall is fixedly connected with flexible PCB 120.Relative and the surface level of sidewall that elongated slot 171 and touch base plate 110 connects is obliquely installed.The one side that elongated slot 171 is connected with touch base plate 110 is exiting surface.Light is through the sidewall outgoing of elongated slot 171.The light that 170 pairs of infrared transmitters 150 of optical filtering bar send has filtration, can guarantee that the light through optical filtering bar 170 is all Infrared.170 pairs of light that enter infrared remote receiver 160 of optical filtering bar have filtration, guarantee the Infrared that infrared remote receiver 160 can only send from infrared transmitter 150, avoid, because the light in external environment enters infrared remote receiver 160, affecting the judgement of 160 pairs of touch point positions of infrared remote receiver.And optical filtering bar 170 is spacing in elongated slot 171 by infrared transmitter 150 and infrared remote receiver 160, can increase the intensity of whole assembling.
Optical filtering bar 170 can according to producing, line be produced and the complete machine assembling demand of new infrared touch screen 100, is made of one formula or board-splicing type.Specifically in the present embodiment, optical filtering bar 170 is integral type structure.Optical filtering bar 170 is shaped as frame.Optical filtering bar 170 is located at the periphery of touch base plate 110, so that infrared transmitter 150 and infrared remote receiver 160 are all contained in the elongated slot 171 of optical filtering bar 170.
Control circuit board 180 is located at lower surface 112 belows.Control circuit board 180 is electrically connected to flexible PCB 120.Control circuit board 180 receives the situation of Infrared, the position that obtains the online touch point of infrared touch-control according to infrared remote receiver 160.Control circuit board 180 wherein one side has the components and parts such as several IC, electric capacity, resistance, and another side is provided with two-sided gum, utilizes gum control circuit board 180 to be fixed on to the lower surface 112 of touch base plate 110.
Refer to Fig. 9 and Figure 10, specifically in the present embodiment, control circuit board 180 is annular.The edge of control circuit board 180 flushes with the edge of touch base plate 110.Control circuit board 180 is four.Control circuit board 180 is thin-and-long.Four control circuit board 180 head and the tail electrical connections successively, are spliced into annular.
Specifically in the present embodiment, the two ends of control circuit board 180 are equipped with flexible circuit connector 130.The two ends of FPC winding displacement 140 are electrically connected to two adjacent flexible circuit connectors 130 respectively.FPC winding displacement 140 is strip.Two ends are designed to pluggable needle-like, can directly be connected with flexible circuit connector 130 or be welded on the two ends of flexible PCB 120.The centre of FPC winding displacement 140 is circuit.The base material of FPC winding displacement 140 is calendering copper, and FPC winding displacement 140 has resistance to complications, the feature that pliability is higher.
Refer to Figure 11, be appreciated that a plurality of flexible circuit connectors 130 and a plurality of FPC winding displacement 140 can omit.The two ends of control circuit board 180 are equipped with contact pin connector 190.Two adjacent contact pin connectors 190 are connected, and two adjacent control circuit boards 180 are electrically connected to.
Refer to Figure 12, be appreciated that contact pin connector 190 also can omit.Control circuit board 180 is annular monolithic construction, without using other elements to be electrically connected to, splices.
Above-mentioned new infrared touch screen 100 is compared with traditional infrared touch screen, at least has the following advantages:
First, on above-mentioned new infrared touch screen 100, be by flexible PCB 120, infrared transmitter 150, infrared remote receiver 160 to be electrically connected to control circuit board 180.Compared to traditional pcb board that utilizes, be electrically connected to LED, and the mode that upper strata pcb board is electrically connected to lower floor control circuit board 180 of the mode by welding, above-mentioned new infrared touch screen 100 can avoid producing the more welding process of solder joint, therefore, the manufacturing process of above-mentioned new infrared touch screen 100 is simple, reduces costs.
And, in above-mentioned new infrared touch screen 100, by flexible circuit connector 130 or contact pin connector 190, be electrically connected to the dismountable realization of control circuit board 180, avoid flexible PCB 120 and control circuit board 180 welding.There are quality problems or in manufacturing process, produce when damaging in certain element in flexible PCB 120, infrared remote receiver 160, infrared transmitter 150 or control circuit board 180, by dismounting flexible PCB 120, can only need change subelement, without the Replacement all welding together is fallen, therefore can save cost of manufacture.
Again, utilize flexible PCB 120 to connect infrared transmitter 150 and infrared remote receiver 160, can reduce the volume that element takies.The frame of above-mentioned new infrared touch screen 100 can reach 5～6mm, is conducive to new infrared touch screen 100 towards narrow frame, thin trend development.
Refer to Figure 13 and Figure 14, in other embodiments, its difference is: new infrared touch screen 100 comprises a plurality of flexible circuit web joints 199.Flexible circuit web joint 199 is thin-and-long.Control circuit board 180 is provided with flexible circuit connector 130.One end of flexible circuit web joint 199 is electrically connected to flexible PCB 120, and the other end is electrically connected to control circuit board 180 by flexible circuit connector 130.
Particularly, control circuit board 180 is square.Control circuit board 180 is located on the lower surface 112 of touch base plate 110.The area of control circuit board 180 is less than the area of touch base plate 110.The periphery of control circuit board 180 is provided with a plurality of flexible circuit connectors 130.Flexible circuit web joint 199 is one-piece construction with flexible PCB 120.Flexible circuit web joint 199 extends from a side of flexible PCB 120, and extends to the lower surface 112 of contact panel.The axis of the axis of flexible circuit web joint 199 and flexible PCB 120 is perpendicular.Control circuit board 180 is provided with flexible circuit connector 130.Flexible circuit web joint 199 is electrically connected to control circuit board 180 by flexible circuit connector 130 near one end of control circuit board 180.Flexible circuit web joint 199 is five.Control circuit board 180 is provided with five flexible circuit connectors 130.Wherein on three flexible PCBs 120, be equipped with a flexible circuit web joint 199.Wherein on three of control circuit board 180 sides, be respectively equipped with a flexible circuit connector 130.These three flexible PCBs 120 are all electrically connected to control circuit board 180 by a flexible circuit web joint 199.In addition, on the 4th flexible PCB 120, be connected with two flexible circuit web joints 199.The 4th side of control circuit board 180 is provided with two flexible circuit connectors 130.The 4th flexible PCB 120 is electrically connected to control circuit board 180 by two flexible circuit web joints 199, two flexible circuit connectors 130.Because the interface of different control circuit board 180 has different pins, when the number of pin is more, need to conduct with the pin of interface respectively by two flexible circuit web joints, just can reach between flexible PCB 120 and control circuit board 180 and can be electrically connected to preferably.
Be appreciated that in other embodiments, flexible circuit web joint 199 can be FPC winding displacement.FPC winding displacement is strip, and two ends are designed to pluggable needle-like, can be directly and the flexible circuit connector 130 of control circuit board 180 be electrically connected.The base material of FPC winding displacement is calendering copper, and FPC winding displacement has resistance to complications, the feature that pliability is higher.Or FPC winding displacement is electrically connected to flexible PCB 120 by welding near one end of flexible PCB 120, the other end is electrically connected to control circuit board 180 by flexible circuit connector 130.
Be appreciated that a plurality of flexible circuit connectors 130 and a plurality of FPC winding displacement 140 can omit.The two ends of flexible circuit web joint 199 are equipped with the first contact pin connector 190.On flexible PCB 120 and control circuit board 180, be equipped with the second contact pin connector 190 being connected with the first contact pin connector 190.Flexible circuit web joint 199 is connected by the first contact pin connector 190 and the second contact pin connector 190, and flexible PCB 120 is electrically connected to control circuit board 180.Be appreciated that flexible circuit web joint 199 is provided with the first contact pin connector 190 near one end of control circuit board 180, the other end makes flexible circuit web joint 199 be electrically connected to flexible PCB 120 by welding.
Be appreciated that the first contact pin connector 190 and the second contact pin connector 190 also can omit.Flexible PCB 120 is annular monolithic construction, without using other elements to be electrically connected to, splices.
In above-mentioned new infrared touch screen 100, control circuit board 180, without the corresponding annular of making, to the not restriction of the shape of control circuit board 180, therefore facilitates the making of new infrared touch screen 100.
Refer to Figure 15 and Figure 16, in other embodiments, the plane at flexible PCB 120 places is mutually vertical with the plane at touch base plate 110 places for figure.Refer to Figure 17 and Figure 18, flexible PCB 120 is fixedly connected with the lateral wall of touch base plate 110.In like manner, the flexible PCB 120 of adjacent both sides can be realized and being electrically connected to by FPC winding displacement 140 or contact pin connector 190.Refer to Figure 19, flexible PCB 120 is annular monolithic construction.Flexible PCB 120 can directly be set in the outside of touch base plate 110.
Optical filtering bar 170 is directly provided with infrared transmitter 150 and infrared remote receiver 160 the place aheads.Without offering square groove 171.The volume of optical filtering bar 170 reduces, and is conducive to the limit frame of above-mentioned new infrared touch screen 100 to narrow down.
In above-mentioned new infrared touch screen 100, because flexible PCB 120 is connected with the lateral wall of touch base plate, therefore, flexible PCB 120 does not take the surface of touch base plate, therefore can make the marginal edge of new infrared touch screen 100 narrow, the frame of above-mentioned new infrared touch screen 100 can reach 2～3mm, improves the usability of new infrared touch screen 100, and can make the attractive in appearance of new infrared touch screen 100.
Meanwhile, the utility model also provides a kind of touch control display apparatus.
This touch control display apparatus comprises above-mentioned touch screen 100 and display screen, and display screen is located at the below of touch base plate 110, and arranges with touch screen 100 stacks.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (10)
1. the infrared touch screen of narrow frame, is characterized in that, comprising:
Transparent touch base plate, described touch base plate comprises upper surface and opposing lower surface parallel with described upper surface, described upper surface is touch surface;
The flexible PCB of annular, is fixed at the surrounding of described touch base plate, and described flexible PCB may extend into described lower surface from described touch base plate upper surface;
Be positioned at a plurality of infrared transmitters of the top of described upper surface, described a plurality of infrared transmitters are arranged side by side along described flexible PCB, and are electrically connected to described flexible PCB;
Be positioned at a plurality of infrared remote receivers of the top of described upper surface, described a plurality of infrared remote receiver and described a plurality of infrared transmitters are located at respectively the relative both sides of described touch surface, described a plurality of infrared remote receiver is electrically connected to described flexible PCB, and described infrared remote receiver receives the Infrared that described infrared transmitter sends;
Optical filtering bar, cover on a plurality of described infrared transmitters and described a plurality of infrared remote receiver, the Infrared that described infrared transmitter sends can see through described optical filtering bar, described Infrared forms infrared touch-control net above the upper surface of described touch base plate, and described Infrared can enter described infrared remote receiver through optical filtering bar;
The control circuit board of being located at described lower surface below, described control circuit board is electrically connected to described flexible PCB, and described control circuit board receives the situation of Infrared, the position that obtains the online touch point of described infrared touch-control according to described infrared remote receiver.
2. new infrared touch screen according to claim 1, it is characterized in that, on described optical filtering bar, offer elongated slot, described elongated slot is along the Axis Extension of described optical filtering bar, described infrared transmitter is contained in described elongated slot, a sidewall of described elongated slot is fixedly connected with described touch base plate, and another sidewall is fixedly connected with described flexible PCB.
3. new infrared touch screen according to claim 1, it is characterized in that, described flexible PCB comprises body and linking arm, described body is thin-and-long, and be located at the surrounding of the touch surface of described touch base plate, described linking arm is located at a side of described body, and the free end of described linking arm extends to the lower surface of touch base plate, and the free end of described linking arm is electrically connected to described control circuit board.
4. new infrared touch screen according to claim 1, is characterized in that, described flexible PCB is four, and described flexible PCB is thin-and-long, four described flexible PCB head and the tail electrical connections successively.
5. new infrared touch screen according to claim 4, it is characterized in that, also comprise a plurality of flexible circuit connectors and a plurality of FPC winding displacement, the two ends of described flexible PCB are equipped with described flexible circuit connector, and the two ends of described FPC winding displacement are electrically connected to two adjacent flexible circuit connectors respectively.
6. new infrared touch screen according to claim 4, it is characterized in that, also comprise a plurality of contact pin connected devices, the two ends of described flexible PCB are equipped with described contact pin connector, two adjacent described contact pin connectors are connected, and two adjacent described flexible PCBs are electrically connected to.
7. new infrared touch screen according to claim 1, is characterized in that, described control circuit board is annular, and the edge of described control circuit board flushes with the edge of described touch base plate.
8. new infrared touch screen according to claim 7, is characterized in that, described control circuit board is four, and described control circuit board is thin-and-long, four described control circuit board head and the tail electrical connections successively.
9. new infrared touch screen according to claim 7, is characterized in that, the plane at described flexible PCB place is mutually vertical with the plane at described touch base plate place, and described flexible PCB is fixedly connected with the lateral wall of described touch base plate.
10. a touch control display apparatus, is characterized in that, comprising:
Touch screen as described in claim 1～9 any one; And
Frame, around described touch base plate setting, the madial wall of described catoptron and described frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320803535.3U CN203720811U (en) | 2013-12-06 | 2013-12-06 | Novel infrared touch screen and touch display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320803535.3U CN203720811U (en) | 2013-12-06 | 2013-12-06 | Novel infrared touch screen and touch display device |
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| CN203720811U true CN203720811U (en) | 2014-07-16 |
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| CN201320803535.3U Expired - Lifetime CN203720811U (en) | 2013-12-06 | 2013-12-06 | Novel infrared touch screen and touch display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015081637A1 (en) * | 2013-12-06 | 2015-06-11 | 深圳市天时通科技有限公司 | Infrared touch screen and touch-control display device |
| WO2016033879A1 (en) * | 2014-09-03 | 2016-03-10 | 京东方科技集团股份有限公司 | Flexible display |
| CN108429829A (en) * | 2018-02-28 | 2018-08-21 | 广东欧珀移动通信有限公司 | Electronic Components and Electronic Devices |
-
2013
- 2013-12-06 CN CN201320803535.3U patent/CN203720811U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015081637A1 (en) * | 2013-12-06 | 2015-06-11 | 深圳市天时通科技有限公司 | Infrared touch screen and touch-control display device |
| WO2016033879A1 (en) * | 2014-09-03 | 2016-03-10 | 京东方科技集团股份有限公司 | Flexible display |
| US9958970B2 (en) | 2014-09-03 | 2018-05-01 | Boe Technology Group Co., Ltd. | Flexible display having infrared transmitting device and infrared receiving device for recognition of folding state thereof |
| CN108429829A (en) * | 2018-02-28 | 2018-08-21 | 广东欧珀移动通信有限公司 | Electronic Components and Electronic Devices |
| CN108429829B (en) * | 2018-02-28 | 2021-01-29 | Oppo广东移动通信有限公司 | Electronic assembly and electronic device |
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Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park C2 building 14 floor Patentee after: SHENZHEN TIMELINK ECHNOLOGY Co.,Ltd. Address before: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park C2 building 14 floor Patentee before: Shenzhen Tian Tong Polytron Technologies Inc. |
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Address after: Nanshan District Xueyuan Road in Shenzhen city of Guangdong province 518000 No. 1001 Nanshan Chi Park C2 building 14 floor Patentee after: Shenzhen Tian Tong Polytron Technologies Inc. Address before: 518000 cotton tree in Guangdong province Shenzhen Futian Free Trade Zone Road No. 8, Yingdali Technology Digital Park (C301 D) Patentee before: Shenzhen Tianshitong Technology Co.,Ltd. |
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